Table 2.

Univariate and multivariate logistic regression analysis of factors for differentiating adenocarcinomas from benign nodules in the primary cohort.

Variables		Odds ratio	95% confidence interval	P
Univariate logistic regression
Age		1.085	1.035–1.137	0.0008
Gender		1.199	0.537–2.680	0.658
Rad_score of low-dose CT		2.718	1.718–4.302	<0.0001
Rad_score of standard-dose CT		2.718	1.785–4.410	<0.0001
Multivariate logistic regression
Low-dose CT	Rad_score	2.601	1.643–4.118	<0.0001
	Age	1.052	0.990–1.117	0.104
Standard-dose CT	Rad_score	2.638	1.713–4.061	0.088
	Age	1.053	0.992–1.118	<0.0001

Rad_score, radiomic score.